Stassi sits next to 3 phonetic neighbors — Stacy, Cassie, and Sassy are the closest matches by sound. Most share Stassi's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"she who shall rise again"
"running water, stream"
"blend of Jessica and Lynn"
"one who enchants or charms"
"my father"
"unique feminine name"
"from the city of Kimberley (South Africa)"
"Masculine form meaning defender of the people"
"beautiful gift from God"
"bitter sea"
"jade stone and lake/pool"
"wise elder friend"
"flowing river (associated meaning)"
"born on Monday (Hausa day-name)"
"clear, unsullied"
"light, radiance, brilliance"
"lake, waterfall"
"wren meadow (compound)"
"Little rose; diminutive of Rose"
"grace, favor"
"crowned one"
Similar sound: These names share phonetic patterns with Stassi — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Stassi.
Rhythm: Stassi is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.